In the past decades, membrane technology applied to water treatment has been crucial for the expansion of desalination and water reuse technologies.1 . Definiti...

The size of meanders depends on the river's discharge, the sediment load and the sedimentation velocity, as well as the type of terrain.1 . Definition of a...

Grey water owes its name to its murky appearance and because it is somewhere between potable freshwater and wastewater. It is a resource which, once recycled, c...

Depending on their composition, there are different types of water.1 . Hard waterHard water has a high mineral content, in particular, magnesium and calcium, wh...

Contaminated water sources are responsible for 1.2 million deaths every year; in fact, unsafe water is one of the world's largest health an environmental pr...

Coastal lowlands contain a huge diversity of landforms. 1 . Definition of a river mouthThe mouth of a river is where a river or any other surface water course...

The presence of marshes in a basin helps mitigate the damage caused by floods, since they slow down water velocity and store flood water.In addition, they also...

Water is an essential natural resource for life. It is at the core of sustainable development and is crucial for socio-economic development, energy and food pro...

Drip irrigation is a very efficient method to apply water as well as nutrients to cultivated land.1 . Drip irrigationDrip irrigation is a type of localized irri...

Water makes up the hydrosphere, in such a way that the components of the hydrosphere and the movement of water between them is known as the water cycle or hydro...

In the upper course of a river, streams are small, straight and fast flowing with water falls and rapids. In the lower reaches, stream velocity is lower and sed...

Water meters play an essential role in the efficient management of water systems, since monitoring water consumption is the best way to reduce costs.1 . Defini...

Most valleys are formed by the erosion of the land surface by rivers or streams, with steep sides close to the headwaters which widen in the middle and lower re...

This is a very useful concept to account for our use and abuse of water, since knowing how to use and manage it efficiently is essential to achieve the SDGs and...

The main objectives of wastewater treatment are (i) reducing water pollution and (ii) making use of the waste resulting from treatment processes to ensure a mor...

According to the FAO, the gradually increasing trend in global water stress over the last twenty years reflects increasing stress in several areas of the world,...

Groundwater is a main source of drinking water in many places across the world, and it is used in many industrial processes.1 . Meaning of hydrogeologyHydrogeol...

Conventional water resources are also known as natural resources.1 . Conventional water resourcesThey include the part of the water cycle that corresponds to ru...

According to the FAO, the water scarcity affecting all continents – expected to intensify in the coming years as demands increase – the unevenness o...

The different compartments in the hydrosphere are connected and water moves between them in what is known as the water cycle.1 . The processes of the water cycl...

Which is the largest dam in the world depends on the criteria you take into account, such as the reservoir capacity, dam height, the volume of construction mate...

In some areas, artesian wells are a major source of water, especially in arid areas that are next to mountain ranges that receive precipitation.1 . Artesian wel...

In Europe, water resources are subject to different pressures. Economic activity, population growth and urbanisation put increasing pressure on freshwater resou...

Water is the most abundant molecule in living beings: it makes up between 70 and 90% of the weight of most organisms. 1 . H2OWater is a substance formed by two...

According to the United Nations World Water Development Report 2020 , flooding and extreme precipitation linked to climate change have increased worldwide by 50...